Results 241 to 250 of about 24,284 (286)

Conservative measurements of touch and step voltages by auxiliary electrodes at reduced distance

2014 IEEE Industry Application Society Annual Meeting, 2014
Protection against electric shock requires grounding systems that must be designed primarily to keep touch voltage and step voltage below a safe value. The measurement of the ground resistance in a large grounding network requires to place current electrodes at adequate distances.
PARISE, Giuseppe, MARTIRANO, Luigi, PARISE, LUIGI, CELOZZI, Salvatore, ARANEO, Rodolfo   +4 more
openaire   +3 more sources

A simulation model to estimate touch voltage in DC railway systems

2016 AEIT International Annual Conference (AEIT), 2016
The study presents a railway system simulation model aimed to evaluate the safety requirements about touch voltage in the railway lines fed by 3 kV DC. In particular, the model analyses the transient period during a fault and the dynamic behavior of the DC circuit breaker.
Spalvieri, C., Lamedica, R., Gatta, F. M., Ruvio, A., Pantalone, L.   +4 more
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Analysis of Touch Voltage in TN-S Earthing System

2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), 2018
This paper presents touch voltage analysis in TN-S connected earth system. For this purpose, calculation of touch voltages and touch durations (as per IEEE and International Electrotechnical Committee (IEC) standards) with equivalent formulas is done for different sizes of cable and protective conductor (PE). Cable ampacity calculations for underground
Hitesh R Jariwala
exaly   +2 more sources

Algorithm for improving SNR using high voltage and differential Manchester code for capacitive touch screen panel

Electronics Letters, 2014
An algorithm for a capacitive touch screen panel that can make the sum of the signal into '0' for the use of high voltage is presented. The differential Manchester code is combined with the Walsh-Hadamard code to generate an input coded signal.
Sanghyun Heo, Jae Joon Kim, Franklin Bien   +2 more
exaly   +2 more sources

Step and Touch Voltages and Grounding Potential Rise (IEEE and IEC)

, 2018
This chapter contains safety criteria according to IEEE Standards, step and touch voltage criteria, reduction factor, simplified equations for mesh and step voltage, application of step and mesh potential in safe earthing system design, safety criteria, IEC 479-1 STD, permissible touch and step voltage according to IEC 479-1, Optimum Compression Ratio (
openaire   +2 more sources

Field Measurements Of Touch And Step Voltages

IEEE Transactions on Power Apparatus and Systems, 1984
This paper presents the study of a measurement technique for touch and step voltages and the results of measurements obtained inside and outside substations. Details of a low-voltage and a highvoltage method of current injection are given. Setups for measuring the shock touch voltage and shock step voltage are characterized, in which the effect of foot
Romuald Kosztaluk, Dinkar Mukhedkar, Yvon Gervais   +2 more
openaire   +2 more sources

Practical Implementation of a Touch Current and Prospective Touch Voltage Custom Test Fixture on Enterprise Servers and Mainframes

2023 IEEE International Symposium on Product Compliance Engineering (ISPCE), 2023
exaly   +2 more sources

A field study on the energy dissipation associated with step and touch voltage in earthing systems encased in earth enhancing compounds

Electric Power Systems Research
An extensive field experiment was conducted to investigate the effects of earth -enhancing compounds on earthing systems. Four identical vertical earth rods were installed, each encased in concrete, Bentonite, and two commercial enhancing materials ...
Mahendra Fernando, Vernon Cooray
exaly   +2 more sources

Simplified conservative measurements of touch and step voltages

1999 IEEE Industrial and Commercial Power Systems Technical Conference (Cat. No.99CH36371), 2003
Protection against electric shock requires grounding systems that must be designed primarily to keep touch voltage (E/sub t/) and step voltage (E/sub s/) to a safe value. Testing of the efficiency of a grounding system is mandatory to verify the capability to satisfy the protection requirements at the end of the construction and periodically in the ...
PARISE, Giuseppe, GRASSELLI, Umberto
openaire   +2 more sources

Analysis of transfer touch voltages in low-voltage electrical installations

Building Services Engineering Research and Technology, 2010
Protection against electric shock in our homes and work places is one of the most important priorities for electrical services engineers who are now designing electrical installations to conform to the requirements of the 17th edition IEE Wiring Regulations (BS7671: 2008). Now Chapter 41 of BS7671: 2008 requires that additional protection by means of a
M. Barrett, K. O'Connell, ACM Sung
openaire   +1 more source